.top_nav_box{
  display: flex;
  height: 50px;
  text-align: center;
  align-items: center;
  background-color: #fff;
  position: fixed;
  width: 100%;
  top:0;
  left: 0;
  .iconfont{
    width:15%;
    font-size: 25px;
  }
  .nav_box{
    flex: 1;
    display: flex;
    height: 50px;
    align-items: center;
    a{
      flex: auto;
      text-align: center;
      font-size: 17px;
      color:rgb(94, 91, 91);
      text-decoration: none;
      &.active{
        font-size: 20px;
        color: #333;
        font-weight: 600;
      }
    }
  }
  .icon-Search{
    a{
      display: block;
      width:100%;
      height: 100%;
      position: absolute;
      top:0
    }
  }
}